M-985-01 Datasheet, PDF (5/8 Pages) Clare, Inc. – Precise Call Progress and Special Information Tone Generator

M-985-01
Truth Table (Continued)
Signal Present (fo)
Mode
OUT 1 OUT 2 OUT 3 OUT 4 D425 Strobe PD
Any
X
0
0
0
0
0
0
0
Any
X
High Impedance
X
0
Any
X
High Impedance
0
0
Any
X
High Impedance
X
1
Notes:
1. This output indicates 400 Hz detect when MODE is connected to V_SS.
2. This output indicates 620 Hz detect when MODE is open or connected to V_DD.
OE EN
10
01
00
0X
Detector Frequency Windows for SIT Tones
Detector
D950
D1400
D1800
Low Reject
835
1275
1656
Low Accept
885
1328
1722
High Accept
1016
1472
1854
High Reject
1070
1527
1924
Call Progress Tones
Frequency (HZ)
1
2
350
440
400
Off
440
Off
440
480
440
620
480
Off
480
620
350
Off
620
Off
425
Off
SIT Timing
Use
Dial Tone
Special
Alert Tone
Audible Ring
Pre-empt
Bell High Tone
Reorder (Bell Low)
Special
Special
European
Rev. 1
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5